import java.util.*;
public class hetao {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();

        for (int i = 1 ; i <a*b*c ; i++){
            if (i%a==0 && i%b==0 && i%c==0){
                System.out.println(i);
                break;
            }
        }
    }
}
